Lincoln king



L. KING} SAFETY HOOK.

'Patented No v. 15, 1892.

(No Model.)

1': Nomi PETERS c0, FNOTO-LITHDU WASHINGTON, D. c.

1 UNITED STATES PATENT OFFICE.

LINCOLN-KING, OF NEW YORK, N. Y.

SAFETY-HOOK.

SPECIFICATION forming part of Letters Patent No. 486,181, dated November15, 1892.

Application filed July 27, 1892.

Serial No, 441,407- (No model.)

To aZZ whom it may concern.-

Be it known that I, LINCOLN KING, a citizen of the United States, and aresident of the city of New York, in the State of New York, haveinvented a new and useful Improvement in Safety-Hooks, of which thefollowing is aspecification.

This invention relates to hooks (large or small) used anywhere forsuspending loads. The improved safety-hook or safe shacklehook isespecially adapted for use in hoisting-tackle on wire guy-ropes and onhandfalls for all work which is likely to spread open hooks and forwhich safety-hooks having tightly-fitted or spring-fastened guards arenot suitable.

The invention consists in certain novel combinations of parts, ashereinafter set forth and claimed, having, respectively, the followingobjects, viz: first, to adapt the hook to be made as strong as may benecessary for any work and to be used as an open hook when looking isnot required, the safety-link when in use being free from load strainuntil the hook begins to spread, when the whole strength of the linkgoes to resist spreading;

' secondly, to securely lock the hook, so as to prevent spreading and soas to prevent the lashing, or whatever may be in the hook, fromescaping, by a one-part safety-link without the aid of springs, weights,or the like, and, thirdly, to facilitate and expedite interlocking thesafety-link with the hook proper to so look the hook.

A sheet of drawings accompanies this specification as part thereof.

Figure 1 of the drawings is a side view of the improved safety-hooklocked. Figs. 2 and 3 are elevations projected from Fig. 1, showing therespective edges of the locked hook, the safety-link being also shown indotted lines in Fig. 2 as it hangs when the device is being used as anopen hook. Fig. 4is a front edge view illustrating the locking andunlocking operations; and Fig. 5 is a top View of the hook alone,showing its peculiar point more clearly.

Like letters refer to like parts in all the figures.

The hook proper A (shown detached by Fig. 5, as aforesaid, andhereinafter termed the hook has a suspension eye a in the plane of thebody of the hook, which is permanently interlocked with a short link orsmall ring B, and this in turn is permanently interlocked with a mainsuspensionring 0 of suitable size, hereinafter termed the large ring.

The parts above described are adapted to be made as strong as may berequired for any work and are designed to and do ordinarily sustain theentire load of the hook.

A safety-link D, which may likewise be of any desired strength, ispermanently interlocked at one end with the large ring 0 in front of thesmall ring B and at its other end is adapted to be and is ordinarilyinterlocked with the point I) of the hook A. If it be desired to use thedevice as an open hook, it is only necessary to let the link D swingloosely, as represented in dotted lines in Fig. 2. It will then ofier noobstruction whatever.

To securely interlock the hook A and safety-link D when the latter isused, said point b of the hook is preferably made with lateralprojections and of a rounded broad-arrow shape, as best seen in Fig. 5,and to facilitate so interlocking the two the link D is connected withthe large ring 0 by means of an eye 0, distinct from the longitudinalloop d, which embraces the round or substantiallyround stem of saidpoint I) immediately behind its said lateral projections. The link Dmust be brought into a horizontal position, as represented in Fig. 4, inorder to engage its said loop 01 with said point b of the hook, andconsequently must be brought into this position in order to disengageit. It is not therefore likely to he accidentally disengaged. Owing toits distinct eye 0 and loop d, as above, the position of the link D ispositively controlled by that of the large ring 0 in locking the hook,and this operation is thus facilitated and expedited. When thesafety-hook is used on a main fall of hoisting-tackle, for example, itis only necessary to lower away in order to put the parts in theirlocking and unlocking positions, as in Fig. 4.

If preferred, a safety-hook otherwise organized, as above, may have itsparts so proportioned as to distribute the load strain ordinarilybetween the small ring B and the safety-link D, and other likemodifications will suggest themselves to those skilled in the art.

Having thus described the said improvement, I claim as my invention anddesire to patent under this specification- 1. The combination, in asafety-hook, of a hook proper having a suspension-eye in the same planeas its body, a small ring permanently interlocked with said eye, a mainsuspension-ringpermanently interlocked with said small ring, and asafety-link which is permanently interlocked with said main ring and isadapted to interlock with the point of said hook proper, which isprovided with an enlarged point or to hang loosely, said eye and smallring serving in either case ordinarily to sustain the entire loadstrain, substantially as hereinbefore specified.

2. The combination, in a safety-hook, of a hook proper having asuspension-eye in the same plane as its body and a point of broadarrowshape with lateral projections, a small ring permanently interlockedwith said eye,

a main suspension-ring permanently interlocked with said small ring, anda safety-link permanently interlocked with said main ring and having alongitudinal loop to interlock with said point of the hook proper,substantially as hereinbefore specified.

3. The improved safety-hook composed of the book A, having asuspension-eye a in the same plane as its body and a locking-point b ofbroad-arrow shape with lateral projections, the small ring B,permanently interlocked with said eye a, the ring 0, permanentlyinterlocked with said small ring, and the safetylink D, permanentlyinterlocked with said ring 0 by means of an eye a and having a distinctlongitudinal loop (1 to interlock with said point 17, substantially ashereinbefore specified.

LINCOLN KING.

WVitnesses:

ANDREW M. DORR, MELVILLE E. MURPHY.

